I would expect her...
I would expect her sculptures to use vintage bookshelves, but the ones in that photo look like Rakks to me. Is that possible?
The photos below show the Rakks "T-style" brackets; they also make that bracket without the plastic shelf-mount at the top, but I was in a hurry and couldn't find a picture.
http://www.rakks.com/products/brackets.html
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